參數(shù)資料
型號: LTC1324
廠商: Linear Technology Corporation
英文描述: Single Supply LocalTalk Transceiver
中文描述: 單電源LocalTalk收發(fā)器
文件頁數(shù): 1/8頁
文件大?。?/td> 241K
代理商: LTC1324
1
LTC1324
Single Supply LocalTalk
Transceiver
I
Single Chip 5V LocalTalk Port
I
Low Power: I
CC
= 1mA Typ
I
Shutdown Pin Reduces I
CC
to 1
μ
A Typ
I
Digitally Selectable Low Slew Rate Mode for
Reduced EMI Emmisions
I
Drivers Maintain High Impedance in Three-State or
with Power Off
I
Thermal Shutdown Protection
I
Drivers Are Short-Circuit Protected
APPLICATIO
S
U
The LTC
1324 is a single 5V line transceiver designed to
operate on Apple
LocalTalk networks. The driver features
a digitally selectable low slew rate mode for reduced EMI
emissions. The chip draws only 1mA quiescent current
when active and 1
μ
A in shutdown. The differential driver
outputs three-state when disabled, during shutdown or
when the power is off. The driver outputs will maintain
high impedance even with output common mode voltages
beyond the power supply rails. Both the driver outputs and
receiver inputs are protected against ESD damage to
±
10kV.
The LTC1324 is available in a 16-pin SO Wide package.
FEATURES
DESCRIPTIO
N
U
I
LocalTalk Peripherals
I
Notebook and Palmtop Computers
I
Battery-Powered Systems
, LTC and LT are registered trademarks of Linear Technology Corporation.
Apple and LocalTalk are registered trademarks of Apple Computer, Inc.
TYPICAL APPLICATIO
N
U
Waveform of Driver
Typical LocalTalk Connection for Low EMI
2
3
4
5
6
7
8
12
16
5V
LocalTalk
TRANSFORMER
11
10
9
LTC1324
SLEW RATE CONTROL
DATA IN
TX ENABLE
SHUTDOWN
RX ENABLE
DATA OUT
1324 TA01
120
TIME (0.5
μ
s/DIV)
1324 TA02
D
IN
5V/DIV
D
1V/DIV
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